import tools as Tools

screen = Tools.screen
Actor = Tools.Actor

class Main:
    def __init__(self):
        Tools.Debug(3,'Home')
    def Update(self):
        screen.fill((0,0,0))
        HomePic = Actor('pic1',Tools.Central())
        HomePic.draw()
        screen.draw.text('CoordinateSystem', (150, 120), color=(255,255,255), fontsize=70)
        screen.draw.text('平面直角坐标系', (150, 180), 'osans4', color=(255,255,255), fontsize=50)